Home / 1,580,333.15-2,180,865.48-855,180.79

Finding the Fourth Proportional to 1,580,333.15, 2,180,865.48 and 855,180.79

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Solution

The fourth proportional to 1,580,333.15, 2,180,865.48 and 855,180.79 is: 1,180,152.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,333.15 : 2,180,865.48 = 855,180.79 : x
  2. Step 2: Convert to fraction form
    1,580,333.15/2,180,865.48 = 855,180.79/x
  3. Step 3: Cross multiply
    1,580,333.15x = 2,180,865.48 × 855,180.79
  4. Step 4: Simplify right side
    1,580,333.15x = 1,865,034,253,165.80
  5. Step 5: Solve for x
    x = 1,865,034,253,165.80/1,580,333.15
  6. Step 6: Final answer
    x = 1,180,152.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.